Synonyms: (2s,4ar,4bs,10br)-2-hydroxy-1,1,4a,7,10a-pentamethyl-7-(4-methylpentyl)octadecahydro-9h-naphtho[2',1':4,5]indeno[1,2-c]furan-9-one;Holostanol;39123-15-4;AC1L542O;AC1Q6P24;KST-1A4502;AR-1A3507;Lanostan-18-oic acid, 3,20-dihydroxy-, gamma-lactone, (3beta)-;3beta,20alpha-Dihydroxy-5alpha-lanostan-18-carboxylic acid (18-20)-lactone